Computer Knowledge Practice Question and Answer

Q:

The primary purpose of a computer is to process _______ and convert it into information.

733 0

  • 1
    Electricity
    Correct
    Wrong
  • 2
    Data
    Correct
    Wrong
  • 3
    Raw material
    Correct
    Wrong
  • 4
    Water
    Correct
    Wrong
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Answer : 2. "Data"
Explanation :

1. The primary purpose of a computer is to process data and convert it into information. Data is defined as unprocessed information, which is then processed or structured to provide meaningful results. Information is defined as data that can be used for a specific purpose.

2. Computers process data in the following ways-

- Input: Computers receive data through input devices, such as a keyboard, mouse, or camera.

- Processing: Computers process data through processors. The processor operates on data according to a set of instructions.

- Output: Computers display data through output devices, such as monitors, printers, or speakers.

Q:

Which of the following CPU is part of?

732 0

  • 1
    ALU, CU
    Correct
    Wrong
  • 2
    ALU, Mouse
    Correct
    Wrong
  • 3
    ALU, IC
    Correct
    Wrong
  • 4
    CU, CU
    Correct
    Wrong
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Answer : 1. "ALU, CU"

Q:

Mainly educational computer is used for -

731 0

  • 1
    For research equipment
    Correct
    Wrong
  • 2
    For teacher learning
    Correct
    Wrong
  • 3
    For management tools
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above"

Q:

Writing set of instruction to run a software

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  • 1
    Coding
    Correct
    Wrong
  • 2
    Buffering
    Correct
    Wrong
  • 3
    Decoding
    Correct
    Wrong
  • 4
    Amplifying
    Correct
    Wrong
  • 5
    Debugging
    Correct
    Wrong
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Answer : 1. "Coding "

Q:

The main aim of the ........ system is to dissipate the heat from CPU to the surrounding air. 

730 0

  • 1
    SMPS
    Correct
    Wrong
  • 2
    cpu-heatsink
    Correct
    Wrong
  • 3
    cpu-air conditioner
    Correct
    Wrong
  • 4
    RAM
    Correct
    Wrong
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Answer : 2. "cpu-heatsink "

Q:

Which of the following will not advance the slide in the slide show view?

726 0

  • 1
    Esc key
    Correct
    Wrong
  • 2
    Enter key
    Correct
    Wrong
  • 3
    Spacebar
    Correct
    Wrong
  • 4
    Mouse button
    Correct
    Wrong
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Answer : 1. "Esc key"
Explanation :

1. The Esc key will not advance the slide in the slideshow view.

2. There is a button on the left side of the keyboard which is called “ESC Key”. This key is right next to the Functions Keys.

3. It is mostly used to cancel a command. As-

- An open Dialog Box can also be closed with the Escape key without using the mouse.

- A website being loaded in a browser can be cancelled by using the Escape key. That is, the website is not allowed to load.

- It is also used in many games to cancel Kari.

- The videos shown on the full screen of the media player can be opened in normal mode by using the Escape key.

- It is also used to cancel a wrong entry in an input field.

- Open Start Menu or PullDown Menu can be closed quickly by Esc key.

Q:

If you want to repeat row/column on all pages during printing in MS Excel 2010, you can use:

720 0

  • 1
    page orientation
    Correct
    Wrong
  • 2
    page size
    Correct
    Wrong
  • 3
    print titles
    Correct
    Wrong
  • 4
    Scale to fit
    Correct
    Wrong
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Answer : 3. "print titles"
Explanation :

1. If you want to repeat the row/column on all pages while printing in MS Excel 2010 then you can use Print Titles.

Q:

Which statement is true for Router and Wretch?

718 0

  • 1
    Wretch connects two networks at data link layer
    Correct
    Wrong
  • 2
    Router is more useful
    Correct
    Wrong
  • 3
    Router connects two networks at the Network Layer.
    Correct
    Wrong
  • 4
    both (a) and (c)
    Correct
    Wrong
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Answer : 4. "both (a) and (c)"

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